There are 42 students in a class and5/7of the students are boys how many girls are there in the class?
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GIVEN:
1. The total number of students in a class is 42.
2. The number of boys out of them are 5/7.
SOLUTION:
The fraction of the number of girls is 7/7-5/7=2/7.
The number of girls is 2/7*42=12.
The number of boys is 42-12=30.
1. The total number of students in a class is 42.
2. The number of boys out of them are 5/7.
SOLUTION:
The fraction of the number of girls is 7/7-5/7=2/7.
The number of girls is 2/7*42=12.
The number of boys is 42-12=30.
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